2.1 - Towards Roll and Sheet film for Still Photography Cellulose nitrate roll film replaced paper-base negatives (1884) in roll film cameras in 1889. Roll-film holders were developed for existing collodion wet and gelatin dry plate cameras. And there were numerous new amateur roll film cameras created for the new fast transparent film.
2 Answers. , Mechanical Engineer. all these colleges have almost the best mechanical engineering program: Massachusetts Institute of Technology , Stanford University, University of CaliforniaââBerkeley,University of Illinois, Cornell University , Princeton University , Carnegie Mellon University, Purdue University......
97%. If you want to start a career in biomedical engineering, California is the perfect state to live and study in. California offers one of the best selections of biomedical engineering schools in the country. There are 17 total schools that have biomedical programs in California, ranging from as far north as Davis to as far south as San Diego.